Pop Corn: Issues 1676-1700

Inheritance of Stem-rust Reaction and Correlation of Characters in Pentad, Nodak, and Akrona Durum-wheat Crosses: Issues 376-400

Chemical Studies of Infertile Soils Derived from Rocks High in Magnesium and Generally High in Chromium and Nickel: Issues 451-475

Production of Organic Acids from Carbohydrates by Fermentation: A Digest of the Literature, Issues 201-225

A Revision of the Mites of the Subfamily Tarsoneminae of North America, the West Indies, and the Hawaiian Islands: Issues 651-675

Selenium Occurrence in Certain Soils in the United States, with a Discussion of Related Topics: Fifth Report, Issues 751-775